diff options
Diffstat (limited to 'lib/libc/locale/wcstoul.c')
-rw-r--r-- | lib/libc/locale/wcstoul.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/lib/libc/locale/wcstoul.c b/lib/libc/locale/wcstoul.c deleted file mode 100644 index f50e7a7..0000000 --- a/lib/libc/locale/wcstoul.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <ctype.h> -#include <errno.h> -#include <limits.h> -#include <wchar.h> -#include <wctype.h> - -/* - * Convert a wide character string to an unsigned long integer. - */ -unsigned long -wcstoul(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, int base) -{ - const wchar_t *s; - unsigned long acc; - wchar_t c; - unsigned long cutoff; - int neg, any, cutlim; - - /* - * See strtol for comments as to the logic used. - */ - s = nptr; - do { - c = *s++; - } while (iswspace(c)); - if (c == L'-') { - neg = 1; - c = *s++; - } else { - neg = 0; - if (c == L'+') - c = *s++; - } - if ((base == 0 || base == 16) && - c == L'0' && (*s == L'x' || *s == L'X')) { - c = s[1]; - s += 2; - base = 16; - } - if (base == 0) - base = c == L'0' ? 8 : 10; - acc = any = 0; - if (base < 2 || base > 36) - goto noconv; - - cutoff = ULONG_MAX / base; - cutlim = ULONG_MAX % base; - for ( ; ; c = *s++) { -#ifdef notyet - if (iswdigit(c)) - c = digittoint(c); - else -#endif - if (c >= L'0' && c <= L'9') - c -= L'0'; - else if (c >= L'A' && c <= L'Z') - c -= L'A' - 10; - else if (c >= L'a' && c <= L'z') - c -= L'a' - 10; - else - break; - if (c >= base) - break; - if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) - any = -1; - else { - any = 1; - acc *= base; - acc += c; - } - } - if (any < 0) { - acc = ULONG_MAX; - errno = ERANGE; - } else if (!any) { -noconv: - errno = EINVAL; - } else if (neg) - acc = -acc; - if (endptr != NULL) - *endptr = (wchar_t *)(any ? s - 1 : nptr); - return (acc); -} |